6746557387 has 2 divisors, whose sum is σ = 6746557388. Its totient is φ = 6746557386.

The previous prime is 6746557357. The next prime is 6746557453. The reversal of 6746557387 is 7837556476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6746557387 - 2²⁷ = 6612339659 is a prime.

It is not a weakly prime, because it can be changed into another prime (6746557357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3373278693 + 3373278694.

It is an arithmetic number, because the mean of its divisors is an integer number (3373278694).

Almost surely, 2^6746557387 is an apocalyptic number.

6746557387 is a deficient number, since it is larger than the sum of its proper divisors (1).

6746557387 is an equidigital number, since it uses as much as digits as its factorization.

6746557387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29635200, while the sum is 58.

The square root of 6746557387 is about 82137.4298782230. The cubic root of 6746557387 is about 1889.5602297919.

The spelling of 6746557387 in words is "six billion, seven hundred forty-six million, five hundred fifty-seven thousand, three hundred eighty-seven".